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526Time of travel on the [River] Chertsey Bourne under low flow conditions
527Regional fishing guide : a guide to day ticket waters in the Midlands
528Non-compliance of the Bidwell Brook with river quality objectives
529An investigation into the sewage system and storm overflow at Beer (1997)
530Flood warning information for the Hertfordshire/Essex border : River Stort catchment
531River Axe Fish Study - Evaluation of Fish Movements in the Estuary
532An environmental snapshot for the Anglian region 2003
533Sustainable urban drainage : an introduction : protecting the quality of our environment
534Identification of water quality problems in the Strat and Neet catchments
535The effects of fishing at low water levels
5361967 - George and Gideon cutting mbati for the bedroom block.
5371967 - Quakers arriving on the shore of L.George.
538First annual review of the Taw/Torridge estuary catchment management plan (1996)
539Method for the assessment of river water quality using benthic macroinvertebrates
540Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
541The evaluation of a Philips ammonium ion selective electrode (220/14/T)
542The greening of Grasmere: its plankton periodicity in 1988
543A strategic review of the petroleum refinery Industry Sector
544Guidelines for river corridor surveys in the NRA : February 1992. draft 3
545Contribution of small streams to potential fish production in the Conwy catchment
546NRA strategy for reducing the concentration of pesticides in controlled waters
547Low-cost modifications of the Crump weir to improve fish passage
548Policy and practice for the protection of floodplains
549The Yarrow catchment : recommendations for statutory water quality objectives
550Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere